TaxJar vs Avalara
Side-by-side from the Top 11 ranking of Avalara vs Vertex vs Thomson Reuters ONESOURCE: 11 Best Tax Automation Software 2026. Last verified July 9, 2026.
The short answer
Avalara ranks higher on Top 11 (#1 vs #7) for Finance and RevOps teams automating sales tax and VAT compliance. Widest jurisdiction and integration coverage, with managed filing in all 50 states.
At a glance
| TaxJar | Avalara | |
|---|---|---|
| Top 11 rank | #7 / Avalara vs Vertex vs Thomson Reuters ONESOURCE: 11 Best Tax Automation Software 2026 | #1 / Avalara vs Vertex vs Thomson Reuters ONESOURCE: 11 Best Tax Automation Software 2026 |
| Score (out of 9.4) | 8 | 9.1 |
| Best for | Ecommerce sales tax and AutoFile | Broad multi-channel compliance |
| Pricing | $$ ($19 to $99+/mo) | $$$ ($50 to $2,500+/mo plus per-return fees) |
| HQ | Woburn, USA | Seattle, USA |
| Founded | 2013 | 2004 |
Avalara
Widest jurisdiction and integration coverage, with managed filing in all 50 states.
www.avalara.comMethodology and scoring weights live at /methodology. No vendor pays for placement — see about.